diff --git a/frontend/packages/console-dynamic-plugin-sdk/src/app/core/actions/core.ts b/frontend/packages/console-dynamic-plugin-sdk/src/app/core/actions/core.ts
index 6b7577064af..075f12fe061 100644
--- a/frontend/packages/console-dynamic-plugin-sdk/src/app/core/actions/core.ts
+++ b/frontend/packages/console-dynamic-plugin-sdk/src/app/core/actions/core.ts
@@ -12,8 +12,13 @@ export enum ActionType {
 }
 
 export const setUser = (userInfo: UserInfo) => action(ActionType.SetUser, { userInfo });
-export const beginImpersonate = (kind: string, name: string, subprotocols: string[]) =>
-  action(ActionType.BeginImpersonate, { kind, name, subprotocols });
+
+export const beginImpersonate = (
+  kind: string,
+  name: string,
+  subprotocols: string[],
+  groups?: string[],
+) => action(ActionType.BeginImpersonate, { kind, name, subprotocols, groups });
 export const endImpersonate = () => action(ActionType.EndImpersonate);
 export const setAdmissionWebhookWarning = (id: string, warning: AdmissionWebhookWarning) =>
   action(ActionType.SetAdmissionWebhookWarning, { id, warning });
diff --git a/frontend/packages/console-dynamic-plugin-sdk/src/app/core/reducers/core.ts b/frontend/packages/console-dynamic-plugin-sdk/src/app/core/reducers/core.ts
index 3598222a686..b8f18a08de1 100644
--- a/frontend/packages/console-dynamic-plugin-sdk/src/app/core/reducers/core.ts
+++ b/frontend/packages/console-dynamic-plugin-sdk/src/app/core/reducers/core.ts
@@ -26,6 +26,7 @@ export const coreReducer = (
           kind: action.payload.kind,
           name: action.payload.name,
           subprotocols: action.payload.subprotocols,
+          groups: action.payload.groups,
         },
       };
     case ActionType.EndImpersonate: {
diff --git a/frontend/packages/console-dynamic-plugin-sdk/src/app/redux-types.ts b/frontend/packages/console-dynamic-plugin-sdk/src/app/redux-types.ts
index 5f2f5a1f13d..305f5342965 100644
--- a/frontend/packages/console-dynamic-plugin-sdk/src/app/redux-types.ts
+++ b/frontend/packages/console-dynamic-plugin-sdk/src/app/redux-types.ts
@@ -12,6 +12,7 @@ export type ImpersonateKind = {
   kind: string;
   name: string;
   subprotocols: string[];
+  groups?: string[];
 };
 
 export type CoreState = {
diff --git a/frontend/public/actions/ui.ts b/frontend/public/actions/ui.ts
index a89c22544c4..a30083a0cc8 100644
--- a/frontend/public/actions/ui.ts
+++ b/frontend/public/actions/ui.ts
@@ -214,7 +214,10 @@ export const setActiveNamespace = (namespace: string = '') => {
   return action(ActionType.SetActiveNamespace, { namespace });
 };
 
-export const startImpersonate = (kind: string, name: string) => async (dispatch, getState) => {
+export const startImpersonate = (kind: string, name: string, groups?: string[]) => async (
+  dispatch,
+  getState,
+) => {
   const textEncoder = new TextEncoder();
 
   const imp = getImpersonate(getState());
@@ -235,12 +238,24 @@ export const startImpersonate = (kind: string, name: string) => async (dispatch,
   let subprotocols;
   if (kind === 'User') {
     subprotocols = [`Impersonate-User.${encodedName}`];
-  }
-  if (kind === 'Group') {
+  } else if (kind === 'Group') {
     subprotocols = [`Impersonate-Group.${encodedName}`];
+  } else if (kind === 'UserWithGroups' && groups && groups.length > 0) {
+    // User with multiple groups impersonation
+    // Encode user subprotocol
+    subprotocols = [`Impersonate-User.${encodedName}`];
+    // Encode each group as a separate subprotocol
+    groups.forEach((group) => {
+      const encodedGroup = Base64.encode(
+        String.fromCharCode.apply(String, textEncoder.encode(group)),
+      )
+        .replace(/=/g, '_')
+        .replace(/\//g, '-');
+      subprotocols.push(`Impersonate-Group.${encodedGroup}`);
+    });
   }
 
-  dispatch(beginImpersonate(kind, name, subprotocols));
+  dispatch(beginImpersonate(kind, name, subprotocols, groups));
   subsClient.close(false, true);
   dispatch(clearSSARFlags());
   dispatch(detectFeatures());
diff --git a/frontend/public/reducers/features.ts b/frontend/public/reducers/features.ts
index 52ced286a60..390d0346529 100644
--- a/frontend/public/reducers/features.ts
+++ b/frontend/public/reducers/features.ts
@@ -40,6 +40,19 @@ export const defaults = _.mapValues(FLAGS, (flag) => {
       );
     case FLAGS.DEVCONSOLE_PROXY:
       return true;
+    case FLAGS.IMPERSONATE: {
+      // FIXME: Check localStorage for override, default to false (disabled)
+      // This is the flag for the multi-group impersonation feature.
+      const localStorageValue = localStorage.getItem('bridge/impersonate-enabled');
+      if (localStorageValue === 'true') {
+        // eslint-disable-next-line no-console
+        console.log('[Feature Flag] Impersonation enabled via localStorage');
+        return true;
+      }
+      // eslint-disable-next-line no-console
+      console.log('[Feature Flag] Impersonation disabled (default or localStorage=false)');
+      return false;
+    }
     default:
       return undefined;
   }
diff --git a/frontend/public/redux.ts b/frontend/public/redux.ts
index bd73bf534a0..673e0b9c5c6 100644
--- a/frontend/public/redux.ts
+++ b/frontend/public/redux.ts
@@ -59,4 +59,12 @@ if (process.env.NODE_ENV !== 'production') {
   window.store = store;
 }
 
+// Temporary: Expose store for testing multi-group impersonation
+// TODO: Remove this after testing. This SHOULD NOT BE IN MERGED in production!!!!!
+(window as any).store = store;
+
+// Expose UI actions for testing
+import * as UIActions from './actions/ui';
+(window as any).UIActions = UIActions;
+
 export default store;